APA (7th ed.) Citation

Palacio Valdés, A., & Martin, H. M. (1926). Marta y Maria. Ginn and company.

Chicago Style (17th ed.) Citation

Palacio Valdés, Armando, and H. M. Martin. Marta Y Maria. Boston, New York [etc.]: Ginn and company, 1926.

MLA (9th ed.) Citation

Palacio Valdés, Armando, and H. M. Martin. Marta Y Maria. Ginn and company, 1926.